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Pairwise comparisons of differences of DFS and OS between each sub-stage within prognostic groups
| Prognostic stage groups | P value | ||||||||
| DFS | OS | ||||||||
| I | II | III | IV | I | II | III | IV | ||
| DFS, disease-free survival; OS, overall survival. Breslow pairwise comparison was applied, and P<0.05 was statistically significant. | |||||||||
| I | 0.190 | 0.061 | 0.503 | 0.000 | 0.039 | ||||
| II | 0.190 | 0.398 | 0.503 | 0.028 | 0.238 | ||||
| III | 0.061 | 0.398 | 0.000 | 0.028 | 0.706 | ||||
| IV | 0.039 | 0.238 | 0.706 | ||||||
